<script setup lang="ts">
import type { PopoverInstance } from 'element-plus'
import type { NodeType } from './type'
import type { Ref } from 'vue'

const { readOnly } = inject<{
  readOnly?: Ref<boolean>
}>('flowDesign', { readOnly: ref(false) })
const popoverRef = ref<PopoverInstance>()
const $emits = defineEmits<{
  (e: 'addNode', type: NodeType): void
}>()
const addApprovalNode = () => {
  $emits('addNode', 'approval')
  popoverRef.value?.hide()
}
const addCcNode = () => {
  $emits('addNode', 'cc')
  popoverRef.value?.hide()
}
const addExclusiveNode = () => {
  $emits('addNode', 'exclusive')
  popoverRef.value?.hide()
}
const addTimerNode = () => {
  $emits('addNode', 'timer')
  popoverRef.value?.hide()
}
const addNotifyNode = () => {
  $emits('addNode', 'notify')
  popoverRef.value?.hide()
}
</script>

<template>
  <div class="add-but">
    <el-popover
      placement="bottom-start"
      ref="popoverRef"
      trigger="click"
      title="添加节点"
      :width="336"
    >
      <el-space wrap>
        <div class="node-select" @click="addApprovalNode">
          <svg-icon name="el:Stamp" />
          <el-text>审批人</el-text>
        </div>
        <div class="node-select" @click="addCcNode">
          <svg-icon name="el:Promotion" />
          <el-text>抄送人</el-text>
        </div>
        <div class="node-select" @click="addExclusiveNode">
          <svg-icon name="el:Share" />
          <el-text>互斥分支</el-text>
        </div>
        <div class="node-select" @click="addTimerNode">
          <svg-icon name="el:Timer" />
          <el-text>计时等待</el-text>
        </div>
        <div class="node-select" @click="addNotifyNode">
          <svg-icon name="el:BellFilled" />
          <el-text>消息通知</el-text>
        </div>
      </el-space>
      <template #reference>
        <el-button
          v-show="!readOnly"
          icon="Plus"
          type="primary"
          style="z-index: 1"
          circle
        ></el-button>
      </template>
    </el-popover>
  </div>
</template>

<style scoped lang="scss">
.node-select {
  cursor: pointer;
  display: flex;
  padding: 8px;
  width: 135px;
  border-radius: 10px;
  position: relative;
  background-color: var(--el-fill-color-light);

  &:hover {
    background-color: var(--el-color-primary-light-9);
    box-shadow: var(--el-box-shadow-light);
    color: var(--el-color-primary);
  }

  .svg-icon {
    font-size: 25px;
    padding: 5px;
    border-radius: 50%;
    color: var(--el-color-white);

    &.Stamp {
      background-color: #ff943e;
    }

    &.Promotion {
      background-color: #3296fa;
    }

    &.Share {
      background-color: #45cf9b;
    }

    &.Timer {
      background-color: #e872b7;
    }

    &.BellFilled {
      background-color: #95d475;
    }
  }

  .el-text {
    margin-left: 10px;
  }
}

.add-but {
  display: flex;
  justify-content: center;
  width: 100%;
  padding: 20px 0 32px;
  position: relative;

  &:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    width: 1px;
    height: 100%;
    background-color: var(--el-border-color);
  }
}
</style>
